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【简答题】
Directions: Fill in the blanks in the following paragraph with the exact words that appear in your textbook. Fill in each blank with only ONE word. Dear Dad, It’s been more than a year now. I've traveled east to west. I've had a series of jobs, mostly (1) labor, as a waiter in a (2) hall, as a (3) man in a dairy plant, and once as a (4) hand on a commercial fishing boat. None of them amounted to very much. Always the same question: “How much education have you got?” They always want college graduates for the good jobs. Dad, I want to (5) this: You and Mother were right about everything. I know now that the work on the farm didn’t hurt me. I’ve met many people since I've been away; some were (6) and others very (7) . I didn’t know what home meant until I’d been away for a few months. My awareness has changed. I’m convinced I can’t be away from my family anymore. I want to come home and bond with my family again. Id like to go to college and learn how to be an (8) farmer, and then, if you’ll let me, maybe I could farm with you. I'm on the road now, so you can't answer me by letter. But in a few days, I’ll be passing by the farm at night. And, Dad, I masking you to allow me to come home to (9) that you've forgiven me by leaving the (10) light on. If there is no light on, I’ll resign myself to your decision and just keep ongoing. I 'll understand. Please give my love to Mother and the girls. Love, Your son
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参考答案:
举一反三
【单选题】将钢加热到A3以上或A1左右一定温度,保温后,缓慢(一般随炉冷却)而均匀冷却的热处理方法称为( ),它可以降低钢的硬度,提高塑性。
A.
、淬火
B.
、回火
C.
、正火
D.
、退火
【简答题】机 械是 和 的总称
【单选题】哪本文献中记载了百合的最早产地( )
A.
《名医别录》
B.
《本草纲目》
C.
《神农本草经》
D.
《新修本草》
【判断题】旅行社责任保险是一种自愿保险,旅行社可以选择不投,也可以选择投保。
A.
正确
B.
错误
【多选题】机械是 和 的总称
A.
机器
B.
部件
C.
机构
D.
零件
【单选题】常用钢表面火焰加热,淬硬的深度一般为()。
A.
0.5mm-1mm
B.
1mm左右
C.
2mm-4mm
D.
5mm以上
【简答题】机械是 和 的总称A. 机构、机器
【简答题】请思考牛奶供应链如何构成的,并描述其不同阶段的特征。
【单选题】淬火钢的硬度一般为()左右,常采用锉刀锉削检验钢是否淬上火。如能锉削,表明没淬上火。
A.
HRC50
B.
HRC60
C.
HRC70
D.
HRC75
【单选题】关于滑动摩擦力的以下几种说法中,正确的是
A.
摩擦力不可能是动力
B.
摩擦力总是和物体的运动方向相反
C.
摩擦力总是阻碍着物体间的相对运动
D.
摩擦力跟物体的重力成正比
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